1 files changed, 72 insertions, 0 deletions
diff --git a/lib/libdvbmisc/dvbmisc.h b/lib/libdvbmisc/dvbmisc.h
new file mode 100644
index 0000000..8ac6eee
--- /dev/null
+++ b/lib/libdvbmisc/dvbmisc.h
@@ -0,0 +1,72 @@
+/*
+	libdvbmisc - DVB miscellaneous library
+
+	Copyright (C) 2005 Manu Abraham <abraham.manu@gmail.com>
+
+	This library is free software; you can redistribute it and/or
+	modify it under the terms of the GNU Lesser General Public
+	License as published by the Free Software Foundation; either
+	version 2.1 of the License, or (at your option) any later version.
+	This library is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+	Lesser General Public License for more details.
+	You should have received a copy of the GNU Lesser General Public
+	License along with this library; if not, write to the Free Software
+	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+*/
+
+#ifndef DVB_MISC_H
+#define DVB_MISC_H
+
+#include <stdarg.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <sys/time.h>
+
+#define ERROR		0
+#define NOTICE		1
+#define INFO		2
+#define DEBUG		3
+
+#define print(x, y, z, fmt, arg...) do {				\
+	if (z) {							\
+		if	((x > ERROR) && (x > y))			\
+			vprint("%s: " fmt "\n", __func__ , ##arg);	\
+		else if	((x > NOTICE) && (x > y))			\
+			vprint("%s: " fmt "\n",__func__ , ##arg);	\
+		else if ((x > INFO) && (x > y))				\
+			vprint("%s: " fmt "\n", __func__ , ##arg);	\
+		else if ((x > DEBUG) && (x > y))			\
+			vprint("%s: " fmt "\n", __func__ , ##arg);	\
+	} else {							\
+		if (x > y)						\
+			vprint(fmt, ##arg);				\
+	}								\
+} while(0)
+
+static inline void vprint(char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	vfprintf(stderr, fmt, args);
+	va_end(args);
+}
+
+static inline int time_after(struct timeval oldtime, uint32_t delta_ms)
+{
+	// calculate the oldtime + add on the delta
+	uint64_t oldtime_ms = (oldtime.tv_sec * 1000) + (oldtime.tv_usec / 1000);
+	oldtime_ms += delta_ms;
+
+	// calculate the nowtime
+	struct timeval nowtime;
+	gettimeofday(&nowtime, 0);
+	uint64_t nowtime_ms = (nowtime.tv_sec * 1000) + (nowtime.tv_usec / 1000);
+
+	// check
+	return nowtime_ms > oldtime_ms;
+}
+
+#endif